3.
两组定位操作相关结果
Operation related parameters of the two groups
| Group | Average procedural time (Mean±SD, min) | P | |
| ≥1.5 cm | < 1.5 cm | ||
| Four-hook needle group (n=76) | 13.86±2.83 | 13.61±3.19 | 0.264 |
| Memory alloy coil group (n=76) | 17.20±4.46 | 14.91±3.15 | 0.044 |
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